2117708080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1393229}}^1$

素因数の和:1393261

約数の個数: 40

約数和(自身を含む): 5182815600

約数和(自身を除く): 3065107520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1393229, 2786458, 5572916, 6966145, 11145832, 13932290, 22291664, 26471351, 27864580, 52942702, 55729160, 105885404, 111458320, 132356755, 211770808, 264713510, 423541616, 529427020, 1058854040, 2117708080]

約数ペア:

[(1, 2117708080), (2, 1058854040), (4, 529427020), (5, 423541616), (8, 264713510), (10, 211770808), (16, 132356755), (19, 111458320), (20, 105885404), (38, 55729160), (40, 52942702), (76, 27864580), (80, 26471351), (95, 22291664), (152, 13932290), (190, 11145832), (304, 6966145), (380, 5572916), (760, 2786458), (1520, 1393229)]